heading machine meaning in English
顶镦机
封头机
掘进机
掘进联合机
螺丝打头机
压头机
镦头机
Examples
- Slotted head machine screws for precision instruments
精密仪器用槽头机螺钉 - Nickel - plated mild steel round head machine screw
镀镍低碳钢圆头机器螺丝 - Brass - plated mild steel round head machine screw
镀黄铜圆头软钢机器螺丝 - Development and trends of underslung heading machine in china
谈我国悬臂式掘进机的发展及趋势 - Slotted and recessed head machine screws and machine screw nuts
有槽和凹槽头机器螺钉和机器螺母